Home / 27,664.20-38,180.03-16,906.86

Finding the Fourth Proportional to 27,664.20, 38,180.03 and 16,906.86

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Solution

The fourth proportional to 27,664.20, 38,180.03 and 16,906.86 is: 23,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664.20 : 38,180.03 = 16,906.86 : x
  2. Step 2: Convert to fraction form
    27,664.20/38,180.03 = 16,906.86/x
  3. Step 3: Cross multiply
    27,664.20x = 38,180.03 × 16,906.86
  4. Step 4: Simplify right side
    27,664.20x = 645,504,337.47
  5. Step 5: Solve for x
    x = 645,504,337.47/27,664.20
  6. Step 6: Final answer
    x = 23,333.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.